Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4373848 | Method and apparatus for exposing contents of an opened envelope with gravity assist | — | 1983-02-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4373848 | Method and apparatus for exposing contents of an opened envelope with gravity assist | — | 1983-02-15 |